import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
public class sendMail {
private MimeMessage mimeMsg;
//MIME邮件对象
private Session session;
//邮件会话对象
private Properties props;
//系统属性
private boolean needAuth = false;
//smtp是否需要认证
private String username = "";
//smtp认证用户名和密码
private String password = "";
private Multipart mp;
//Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成MimeMessage对象
/**
*
*/
public sendMail() {
//setSmtpHost(getConfig.mailHost);//如果没有指定邮件服务器,就从getConfig类中获取
setSmtpHost("mail.hljpiig.com");
createMimeMessage();
}
public sendMail(String smtp){
setSmtpHost(smtp);
createMimeMessage();
}
/**
* @param hostName String
*/
public void setSmtpHost(String hostName) {
System.out.println("设置系统属性:mail.smtp.host = "+hostName);
if(props == null)props = System.getProperties();
//获得系统属性对象
props.put("mail.smtp.host",hostName);
//设置SMTP主机
}
/**
* @return boolean
*/
public boolean createMimeMessage()
{
try{
System.out.println("准备获取邮件会话对象!");
session = Session.getDefaultInstance(props,null);
//获得邮件会话对象
}
catch(Exception e){
System.err.println("获取邮件会话对象时发生错误!"+e);
return false;
}
System.out.println("准备创建MIME邮件对象!");
try{
mimeMsg = new MimeMessage(session);
//创建MIME邮件对象
mp = new MimeMultipart();
return true;
}
catch(Exception e){
System.err.println("创建MIME邮件对象失败!"+e);
return false;
}
}
/**
* @param need boolean
*/
public void setNeedAuth(boolean need) {
System.out.println("设置smtp身份认证:mail.smtp.auth = "+need);
if(props == null)props = System.getProperties();
if(need){
props.put("mail.smtp.auth","true");
}else
{
props.put("mail.smtp.auth","false");
}
}
/**
* @param name String
* @param pass String
*/
public void setNamePass(String name,String pass) {
username = name;
password = pass;
}
/**
* @param mailSubject String
* @return boolean
*/
public boolean setSubject(String mailSubject) {
System.out.println("设置邮件主题!");
try{
mimeMsg.setSubject(mailSubject);
return true;
}
catch(Exception e) {
System.err.println("设置邮件主题发生错误!");
return false;
}
}
/**
* @param mailBody String
*/
public boolean setBody(String mailBody) {
try{
BodyPart bp = new MimeBodyPart();
bp.setContent("<meta http-equiv=Content-Type content=text/html;
charset=gb2312>"+mailBody,"text/html;charset=GB2312");
mp.addBodyPart(bp);
return true;
}
catch(Exception e){
System.err.println("设置邮件正文时发生错误!"+e);
return false;
}
}
/**
* @param name String
* @param pass String
*/
public boolean addFileAffix(String filename) {
System.out.println("增加邮件附件:"+filename);
try{
BodyPart bp = new MimeBodyPart();
FileDataSource fileds = new FileDataSource(filename);
bp.setDataHandler(new DataHandler(fileds));
bp.setFileName(fileds.getName());
mp.addBodyPart(bp);
return true;
}
catch(Exception e){
System.err.println("增加邮件附件:"+filename+"发生错误!"+e);
return false;
}
}
/**
* @param name String
* @param pass String
*/
public boolean setFrom(String from) {
System.out.println("设置发信人!");
try{
mimeMsg.setFrom(new InternetAddress(from));
//设置发信人
return true;
}
catch(Exception e)
{ return false;
}
}
/**
* @param name String
* @param pass String
*/
public boolean setTo(String to){
if(to == null)return false;
try{
mimeMsg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(to));
return true;
}
catch(Exception e)
{ return false;
}
}
/**
* @param name String
* @param pass String
*/
public boolean setCopyTo(String copyto)
{
if(copyto == null)return false;
try{
mimeMsg.setRecipients(Message.RecipientType.CC,(Address[])InternetAddress.parse(copyto));
return true;
}
catch(Exception e)
{ return false;
}
}
/**
* @param name String
* @param pass String
*/
public boolean sendout()
{
try{
mimeMsg.setContent(mp);
mimeMsg.saveChanges();
System.out.println("正在发送邮件....");
Session mailSession = Session.getInstance(props,null);
Transport transport = mailSession.getTransport("smtp");
transport.connect((String)props.get("mail.smtp.host"),username,password);
transport.sendMessage(mimeMsg,mimeMsg.getRecipients(Message.RecipientType.TO));
//transport.send(mimeMsg);
System.out.println("发送邮件成功!");
transport.close();
return true;
}
catch(Exception e)
{
System.err.println("邮件发送失败!"+e);
return false;
}
}
/**
* Justdo
it as this
*/
public static void main(String[] args) {
String mailbody = "<meta http-equiv=Content-Type content=text/html;
charset=gb2312>"+
"<div align=center><a href=http://www.csdn.net> csdn </a></div>";
sendMail themail = new sendMail("mail.hljpiig.com");
themail.setNeedAuth(true);
if(themail.setSubject("呵呵,匿名邮件!!!") == false) return;
if(themail.setBody(mailbody) == false) return;
if(themail.setTo("yangxiao_jiang@163.com") == false) return;
if(themail.setFrom("yangxiaojiang@hljpiig.com") == false) return;
if(themail.addFileAffix("D://lucene-1.2.jar") == false) return;
themail.setNamePass("zzz@hljpiig.com","password");
if(themail.sendout() == false) return;
}
}
总的来说,就是建立一个发邮件的session,把需要的参数都设置上,就可以正常的发送了。